Hi all,
I have found my old 7650. Just last week I had good success making my 7110 work (dismantling and cleaning) I want to do the same thing with my 7650. So I have disassembled and cleaned the 7650 today. However I lost the battery.

Will the phone work without a battery? Nothing happens when I plug in the charger

Also I remember that the power button was not very good on this phone. Is there any way which I can bypass the power switch? Is there any way which I can tell if the phone is working without using the power switch?